Remove a pointless match block in XMLHttpRequest::initiate_async_xhr.
Remove a pointless match block in XMLHttpRequest::initiate_async_xhr.

SimonSapin/servo,larsbergstrom/servo,emilio/servo,avadacatavra/servo,larsbergstrom/servo,mbrubeck/servo,cbrewster/servo,SimonSapin/servo,KiChjang/servo,szeged/servo,emilio/servo,anthgur/servo,notriddle/servo,mattnenterprise/servo,pyfisch/servo,ConnorGBrewster/servo,saneyuki/servo,splav/servo,nnethercote/servo,sadmansk/servo,larsbergstrom/servo,DominoTree/servo,canaltinova/servo,jimberlage/servo,CJ8664/servo,rnestler/servo,fiji-flo/servo,canaltinova/servo,anthgur/servo,nnethercote/servo,upsuper/servo,upsuper/servo,sadmansk/servo,jimberlage/servo,cbrewster/servo,dsandeephegde/servo,mbrubeck/servo,thiagopnts/servo,KiChjang/servo,emilio/servo,eddyb/servo,jimberlage/servo,cbrewster/servo,DominoTree/servo,dati91/servo,dsandeephegde/servo,mbrubeck/servo,KiChjang/servo,saneyuki/servo,cbrewster/servo,pyfisch/servo,eddyb/servo,avadacatavra/servo,peterjoel/servo,dsandeephegde/servo,rnestler/servo,KiChjang/servo,paulrouget/servo,pyfisch/servo,peterjoel/servo,emilio/servo,splav/servo,thiagopnts/servo,splav/servo,notriddle/servo,KiChjang/servo,szeged/servo,eddyb/servo,szeged/servo,jimberlage/servo,pyfisch/servo,larsbergstrom/servo,ConnorGBrewster/servo,notriddle/servo,mattnenterprise/servo,paulrouget/servo,paulrouget/servo,CJ8664/servo,mbrubeck/servo,anthgur/servo,notriddle/servo,fiji-flo/servo,mattnenterprise/servo,eddyb/servo,ConnorGBrewster/servo,dati91/servo,rnestler/servo,emilio/servo,SimonSapin/servo,anthgur/servo,rnestler/servo,fiji-flo/servo,DominoTree/servo,emilio/servo,anthgur/servo,nnethercote/servo,mbrubeck/servo,KiChjang/servo,avadacatavra/servo,CJ8664/servo,SimonSapin/servo,dsandeephegde/servo,CJ8664/servo,thiagopnts/servo,jimberlage/servo,KiChjang/servo,jimberlage/servo,DominoTree/servo,jimberlage/servo,larsbergstrom/servo,peterjoel/servo,notriddle/servo,rnestler/servo,paulrouget/servo,dsandeephegde/servo,DominoTree/servo,sadmansk/servo,saneyuki/servo,saneyuki/servo,upsuper/servo,saneyuki/servo,avadacatavra/servo,mbrubeck/servo,rnestler/servo,thiagopnts/servo,sadmansk/servo,thiagopnts/servo,canaltinova/servo,cbrewster/servo,SimonSapin/servo,jimberlage/servo,SimonSapin/servo,fiji-flo/servo,szeged/servo,sadmansk/servo,anthgur/servo,sadmansk/servo,SimonSapin/servo,thiagopnts/servo,pyfisch/servo,larsbergstrom/servo,canaltinova/servo,DominoTree/servo,splav/servo,sadmansk/servo,KiChjang/servo,dsandeephegde/servo,dati91/servo,larsbergstrom/servo,paulrouget/servo,notriddle/servo,eddyb/servo,DominoTree/servo,saneyuki/servo,rnestler/servo,szeged/servo,nnethercote/servo,splav/servo,dati91/servo,eddyb/servo,ConnorGBrewster/servo,upsuper/servo,dati91/servo,KiChjang/servo,peterjoel/servo,jimberlage/servo,nnethercote/servo,peterjoel/servo,CJ8664/servo,fiji-flo/servo,splav/servo,paulrouget/servo,ConnorGBrewster/servo,splav/servo,cbrewster/servo,upsuper/servo,mattnenterprise/servo,paulrouget/servo,peterjoel/servo,pyfisch/servo,peterjoel/servo,notriddle/servo,emilio/servo,splav/servo,nnethercote/servo,canaltinova/servo,pyfisch/servo,paulrouget/servo,larsbergstrom/servo,notriddle/servo,dati91/servo,DominoTree/servo,notriddle/servo,eddyb/servo,splav/servo,mattnenterprise/servo,upsuper/servo,fiji-flo/servo,anthgur/servo,paulrouget/servo,saneyuki/servo,nnethercote/servo,mattnenterprise/servo,szeged/servo,upsuper/servo,szeged/servo,szeged/servo,canaltinova/servo,saneyuki/servo,nnethercote/servo,DominoTree/servo,dsandeephegde/servo,saneyuki/servo,thiagopnts/servo,peterjoel/servo,cbrewster/servo,fiji-flo/servo,DominoTree/servo,emilio/servo,notriddle/servo,ConnorGBrewster/servo,pyfisch/servo,nnethercote/servo,dsandeephegde/servo,SimonSapin/servo,canaltinova/servo,mattnenterprise/servo,dati91/servo,sadmansk/servo,CJ8664/servo,rnestler/servo,CJ8664/servo,peterjoel/servo,larsbergstrom/servo,pyfisch/servo,avadacatavra/servo,saneyuki/servo,peterjoel/servo,paulrouget/servo,canaltinova/servo,avadacatavra/servo,eddyb/servo,nnethercote/servo,CJ8664/servo,szeged/servo,KiChjang/servo,cbrewster/servo,ConnorGBrewster/servo,mbrubeck/servo,mattnenterprise/servo,thiagopnts/servo,avadacatavra/servo,upsuper/servo,emilio/servo,anthgur/servo,splav/servo,mbrubeck/servo,emilio/servo,szeged/servo,avadacatavra/servo,dati91/servo,pyfisch/servo,larsbergstrom/servo,fiji-flo/servo,ConnorGBrewster/servo